Handover control system and handover control method between home base stations
A home base station and control system technology, applied in electrical components, wireless communication, etc., can solve problems such as reducing switching efficiency and core network burden
Inactive Publication Date: 2017-08-08
AMBIT MICROSYSTEMS (SHANGHAI) LTD
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[0004] It can be seen that when the number of HNBs is large, each UE handover between HNBs requires the core network to process various information received during the handover process, which will undoubtedly bring a great burden to the core network, thereby reducing handover efficiency
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[0031] figure 1 It is a schematic diagram of the application environment of the handover control system 1 between the home base stations in a preferred embodiment of the present invention. The handover control system 1 between the home base stations is applied between a core network 100 and several home base stations 10. For simplicity, only seven HNBs 10 (HNB-1, HNB-2...HNB-7, etc.) are shown in the figure. It can be understood that the number of HNBs 10 can also be changed according to actual needs. Wherein, the HNBs 10 are all connected to the core network 100 . Please also refer to figure 2 , in this embodiment, the handover control system 1 between the home base stations includes a coordinate positioning module 11, a bandwidth acquisition module 12, a first transmission module 13, a first control module 14, a division module 101, A second transmission module 102 and a second control module 103 . Wherein, the structure of each home base station 10 is the same, and the...
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The present invention provides a handover control system and a handover control method between home base stations. The method includes: obtaining the geographical location of each home base station and the maximum bandwidth that can be allocated to user equipment; Divide some home base stations into at least two groups, select at least one home base station with a relatively large maximum bandwidth in each group as the registration service base station; send registration information of other home base stations to each registration service base station, and send registration information to each non-home base station The registration service base station sends the identification information of at least one adjacent registration service base station; obtains the identification information of the target home base station, and obtains the registration information of the target home base station from the source home base station or one of the adjacent registration service base stations according to the identification information, so as to control the user The device establishes a connection with the target HNB. Compared with the prior art, the present invention makes it unnecessary for the user equipment to intervene in the core network during the handover process of the home base station.
Description
technical field [0001] The present invention relates to the field of mobile communication, in particular to a handover control system and handover control method between home base stations (HNB, Home NodeB). Background technique [0002] In an LTE (Long Term Evolution, Long Term Evolution) network including a macro cell base station, deploying an HNB can effectively improve indoor signal coverage, improve user service quality, and increase network capacity. The HNB only allows authorized user equipment (User Equipment, UE for short) to access, so the cell covered by the HNB is also called a closed subscriber group (CSG, Closed Subscriber Group) cell. [0003] The UE can be handed over from other cells to the target cell through handover. The specific process is roughly as follows: the source HNB where the UE is currently located sends a UE handover request message to the core network; the core network judges the target HNB based on the information of the target HNB contained...
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IPC IPC(8): H04W36/08
Inventor 黎志明
Owner AMBIT MICROSYSTEMS (SHANGHAI) LTD